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CARDIOSPHERE-DERIVED CELLS AND EXOSOMES SECRETED BY SUCH CELLS IN THE TREATMENT OF HEART FAILURE WITH PRESERVED EJECTION FRACTION
CARDIOSPHERE-DERIVED CELLS AND EXOSOMES SECRETED BY SUCH CELLS IN THE TREATMENT OF HEART FAILURE WITH PRESERVED EJECTION FRACTION
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机译:保留射血分数治疗心力衰竭时心球来源的细胞和此类细胞分泌的外显子组
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摘要
Heart failure with preserved ejection fraction (HFpEF) is a disease condition characterized by heart failure (HF) signs and symptoms, but with normal or near normal left ventricular ejection fraction (LVEF) and is not responsive to standard therapy for treatment of HF. Described herein are compositions and methods related to use of cardiosphere derived cells (CDCs) and their exosomes to improve left ventricular structure, function and overall outcome. Administration of CDCs led to improved LV relaxation, lower LV end-diastolic pressure, decreased lung congestion and enhanced survival. Lower risk of arrhythmias in HFpEF was also observed following CDC administration. Improvement of diastolic dysfunction following administration of CDC-derived exosomes was observed, along with decreased mortality. In view of these salutary effects, CDCs and CDC-derived exosomes are beneficial in the treatment of HFpEF.
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